CVE-2026-108543: ag2ai ag2 UserProxyAgent os.path.join path traversal

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-11 · updated 2026-10-13
Weakness: CWE-22

Description

A vulnerability was determined in ag2ai ag2 up to 0.13.4. Affected by this issue is the function os.path.join of the component UserProxyAgent. This manipulation of the argument filename causes path traversal. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

ag2ai ag2: 0.13.0, 0.13.1, 0.13.2, 0.13.3, 0.13.4

References

https://github.com/Ruoyyy/My_vulnerable/blob/main/report_legacy_filename_dockerenv_en.md
https://vuldb.com/cve/CVE-2026-108543
https://vuldb.com/submit/953877
https://vuldb.com/vuln/416198
https://vuldb.com/vuln/416198/cti

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